.btngrident {
  background: -ms-linear-gradient(#fff 0%, #f4f4f4 100%);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#fff, endColorstr=#f4f4f4, grandientType=1);
  background: -webkit-gradient(linear, 0 0, 0 100%, from(#fff), to(#f4f4f4));
  border: 1px solid #f4f4f4;
  width: 60px;
  margin: 0 auto;
  cursor: pointer;
  height: 20px;
}
.box {
  width: 20%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -khtml-transform: translate(-50%, -50%);
}
.box .errorimg img {
  display: block;
  margin: 0 auto;
}
.box .error-info {
  text-align: center;
  margin: 20px auto;
}
.box .btn-box a {
  width: 60px;
}
.box .btn-box a:nth-of-type(1) {
  float: left;
  margin-left: 50px;
}
.box .btn-box a:nth-of-type(2) {
  float: right;
  margin-right: 50px;
}
